Pork Tenderloin Stir-Fry with Tangerines and Chili Sauce

A tangerine's skin is so thin that
when it's cooked, you can eat the fruitpeel and
all. Asian sweet chili sauce is an orange-colored,
slightly spicy bottled Thai sauce; it's available in
the As ian foods section of some supermarkets.
Chinese five-spice powder can be found in the
spice section of most supermarkets.